This page has a DIV on it (the blue box) that has its
"style.marginBottom" value animated from nStart
to nEnd
pixels
continuously nRepeats
times in a row with
steps nFrameDelay
milliseconds apart,
starting nStartDelay
milliseconds
after the page has finished loading.
Ideal time: nStartDelay + nFrameDelay * nRepeats * (nEnd - nStart)
milliseconds.
Time taken: tDelta
milliseconds. (tRatio
% of ideal)